contourplot.html

jfreechart1。0。2的api。

<FONT color="green">442</FONT>        }<a name="line.442"></a>
<FONT color="green">443</FONT>    <a name="line.443"></a>
<FONT color="green">444</FONT>        /**<a name="line.444"></a>
<FONT color="green">445</FONT>         * Adds a marker for the domain axis.<a name="line.445"></a>
<FONT color="green">446</FONT>         * &lt;P&gt;<a name="line.446"></a>
<FONT color="green">447</FONT>         * Typically a marker will be drawn by the renderer as a line perpendicular<a name="line.447"></a>
<FONT color="green">448</FONT>         * to the range axis, however this is entirely up to the renderer.<a name="line.448"></a>
<FONT color="green">449</FONT>         *<a name="line.449"></a>
<FONT color="green">450</FONT>         * @param marker the marker.<a name="line.450"></a>
<FONT color="green">451</FONT>         */<a name="line.451"></a>
<FONT color="green">452</FONT>        public void addDomainMarker(Marker marker) {<a name="line.452"></a>
<FONT color="green">453</FONT>    <a name="line.453"></a>
<FONT color="green">454</FONT>            if (this.domainMarkers == null) {<a name="line.454"></a>
<FONT color="green">455</FONT>                this.domainMarkers = new java.util.ArrayList();<a name="line.455"></a>
<FONT color="green">456</FONT>            }<a name="line.456"></a>
<FONT color="green">457</FONT>            this.domainMarkers.add(marker);<a name="line.457"></a>
<FONT color="green">458</FONT>            notifyListeners(new PlotChangeEvent(this));<a name="line.458"></a>
<FONT color="green">459</FONT>    <a name="line.459"></a>
<FONT color="green">460</FONT>        }<a name="line.460"></a>
<FONT color="green">461</FONT>    <a name="line.461"></a>
<FONT color="green">462</FONT>        /**<a name="line.462"></a>
<FONT color="green">463</FONT>         * Clears all the domain markers.<a name="line.463"></a>
<FONT color="green">464</FONT>         */<a name="line.464"></a>
<FONT color="green">465</FONT>        public void clearDomainMarkers() {<a name="line.465"></a>
<FONT color="green">466</FONT>            if (this.domainMarkers != null) {<a name="line.466"></a>
<FONT color="green">467</FONT>                this.domainMarkers.clear();<a name="line.467"></a>
<FONT color="green">468</FONT>                notifyListeners(new PlotChangeEvent(this));<a name="line.468"></a>
<FONT color="green">469</FONT>            }<a name="line.469"></a>
<FONT color="green">470</FONT>        }<a name="line.470"></a>
<FONT color="green">471</FONT>    <a name="line.471"></a>
<FONT color="green">472</FONT>        /**<a name="line.472"></a>
<FONT color="green">473</FONT>         * Adds a marker for the range axis.<a name="line.473"></a>
<FONT color="green">474</FONT>         * &lt;P&gt;<a name="line.474"></a>
<FONT color="green">475</FONT>         * Typically a marker will be drawn by the renderer as a line perpendicular<a name="line.475"></a>
<FONT color="green">476</FONT>         * to the range axis, however this is entirely up to the renderer.<a name="line.476"></a>
<FONT color="green">477</FONT>         *<a name="line.477"></a>
<FONT color="green">478</FONT>         * @param marker The marker.<a name="line.478"></a>
<FONT color="green">479</FONT>         */<a name="line.479"></a>
<FONT color="green">480</FONT>        public void addRangeMarker(Marker marker) {<a name="line.480"></a>
<FONT color="green">481</FONT>    <a name="line.481"></a>
<FONT color="green">482</FONT>            if (this.rangeMarkers == null) {<a name="line.482"></a>
<FONT color="green">483</FONT>                this.rangeMarkers = new java.util.ArrayList();<a name="line.483"></a>
<FONT color="green">484</FONT>            }<a name="line.484"></a>
<FONT color="green">485</FONT>            this.rangeMarkers.add(marker);<a name="line.485"></a>
<FONT color="green">486</FONT>            notifyListeners(new PlotChangeEvent(this));<a name="line.486"></a>
<FONT color="green">487</FONT>    <a name="line.487"></a>
<FONT color="green">488</FONT>        }<a name="line.488"></a>
<FONT color="green">489</FONT>    <a name="line.489"></a>
<FONT color="green">490</FONT>        /**<a name="line.490"></a>
<FONT color="green">491</FONT>         * Clears all the range markers.<a name="line.491"></a>
<FONT color="green">492</FONT>         */<a name="line.492"></a>
<FONT color="green">493</FONT>        public void clearRangeMarkers() {<a name="line.493"></a>
<FONT color="green">494</FONT>            if (this.rangeMarkers != null) {<a name="line.494"></a>
<FONT color="green">495</FONT>                this.rangeMarkers.clear();<a name="line.495"></a>
<FONT color="green">496</FONT>                notifyListeners(new PlotChangeEvent(this));<a name="line.496"></a>
<FONT color="green">497</FONT>            }<a name="line.497"></a>
<FONT color="green">498</FONT>        }<a name="line.498"></a>
<FONT color="green">499</FONT>    <a name="line.499"></a>
<FONT color="green">500</FONT>        /**<a name="line.500"></a>
<FONT color="green">501</FONT>         * Adds an annotation to the plot.<a name="line.501"></a>
<FONT color="green">502</FONT>         *<a name="line.502"></a>
<FONT color="green">503</FONT>         * @param annotation  the annotation.<a name="line.503"></a>
<FONT color="green">504</FONT>         */<a name="line.504"></a>
<FONT color="green">505</FONT>        public void addAnnotation(XYAnnotation annotation) {<a name="line.505"></a>
<FONT color="green">506</FONT>    <a name="line.506"></a>
<FONT color="green">507</FONT>            if (this.annotations == null) {<a name="line.507"></a>
<FONT color="green">508</FONT>                this.annotations = new java.util.ArrayList();<a name="line.508"></a>
<FONT color="green">509</FONT>            }<a name="line.509"></a>
<FONT color="green">510</FONT>            this.annotations.add(annotation);<a name="line.510"></a>
<FONT color="green">511</FONT>            notifyListeners(new PlotChangeEvent(this));<a name="line.511"></a>
<FONT color="green">512</FONT>    <a name="line.512"></a>
<FONT color="green">513</FONT>        }<a name="line.513"></a>
<FONT color="green">514</FONT>    <a name="line.514"></a>
<FONT color="green">515</FONT>        /**<a name="line.515"></a>
<FONT color="green">516</FONT>         * Clears all the annotations.<a name="line.516"></a>
<FONT color="green">517</FONT>         */<a name="line.517"></a>
<FONT color="green">518</FONT>        public void clearAnnotations() {<a name="line.518"></a>
<FONT color="green">519</FONT>            if (this.annotations != null) {<a name="line.519"></a>
<FONT color="green">520</FONT>                this.annotations.clear();<a name="line.520"></a>
<FONT color="green">521</FONT>                notifyListeners(new PlotChangeEvent(this));<a name="line.521"></a>
<FONT color="green">522</FONT>            }<a name="line.522"></a>
<FONT color="green">523</FONT>        }<a name="line.523"></a>
<FONT color="green">524</FONT>    <a name="line.524"></a>
<FONT color="green">525</FONT>        /**<a name="line.525"></a>
<FONT color="green">526</FONT>         * Checks the compatibility of a domain axis, returning true if the axis is<a name="line.526"></a>
<FONT color="green">527</FONT>         * compatible with the plot, and false otherwise.<a name="line.527"></a>
<FONT color="green">528</FONT>         *<a name="line.528"></a>
<FONT color="green">529</FONT>         * @param axis The proposed axis.<a name="line.529"></a>
<FONT color="green">530</FONT>         *<a name="line.530"></a>
<FONT color="green">531</FONT>         * @return &lt;code&gt;true&lt;/code&gt; if the axis is compatible with the plot.<a name="line.531"></a>
<FONT color="green">532</FONT>         */<a name="line.532"></a>
<FONT color="green">533</FONT>        public boolean isCompatibleDomainAxis(ValueAxis axis) {<a name="line.533"></a>
<FONT color="green">534</FONT>    <a name="line.534"></a>
<FONT color="green">535</FONT>            return true;<a name="line.535"></a>
<FONT color="green">536</FONT>    <a name="line.536"></a>
<FONT color="green">537</FONT>        }<a name="line.537"></a>
<FONT color="green">538</FONT>    <a name="line.538"></a>
<FONT color="green">539</FONT>        /**<a name="line.539"></a>
<FONT color="green">540</FONT>         * Draws the plot on a Java 2D graphics device (such as the screen or a <a name="line.540"></a>
<FONT color="green">541</FONT>         * printer).<a name="line.541"></a>
<FONT color="green">542</FONT>         * &lt;P&gt;<a name="line.542"></a>
<FONT color="green">543</FONT>         * The optional &lt;code&gt;info&lt;/code&gt; argument collects information about the <a name="line.543"></a>
<FONT color="green">544</FONT>         * rendering of the plot (dimensions, tooltip information etc).  Just pass<a name="line.544"></a>
<FONT color="green">545</FONT>         * in &lt;code&gt;null&lt;/code&gt; if you do not need this information.<a name="line.545"></a>
<FONT color="green">546</FONT>         *<a name="line.546"></a>
<FONT color="green">547</FONT>         * @param g2  the graphics device.<a name="line.547"></a>
<FONT color="green">548</FONT>         * @param area  the area within which the plot (including axis labels)<a name="line.548"></a>
<FONT color="green">549</FONT>         *              should be drawn.<a name="line.549"></a>
<FONT color="green">550</FONT>         * @param anchor  the anchor point (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.550"></a>
<FONT color="green">551</FONT>         * @param parentState  the state from the parent plot, if there is one.<a name="line.551"></a>
<FONT color="green">552</FONT>         * @param info  collects chart drawing information (&lt;code&gt;null&lt;/code&gt; <a name="line.552"></a>
<FONT color="green">553</FONT>         *              permitted).<a name="line.553"></a>
<FONT color="green">554</FONT>         */<a name="line.554"></a>
<FONT color="green">555</FONT>        public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,<a name="line.555"></a>
<FONT color="green">556</FONT>                         PlotState parentState,<a name="line.556"></a>
<FONT color="green">557</FONT>                         PlotRenderingInfo info) {<a name="line.557"></a>
<FONT color="green">558</FONT>    <a name="line.558"></a>
<FONT color="green">559</FONT>            // if the plot area is too small, just return...<a name="line.559"></a>
<FONT color="green">560</FONT>            boolean b1 = (area.getWidth() &lt;= MINIMUM_WIDTH_TO_DRAW);<a name="line.560"></a>
<FONT color="green">561</FONT>            boolean b2 = (area.getHeight() &lt;= MINIMUM_HEIGHT_TO_DRAW);<a name="line.561"></a>
<FONT color="green">562</FONT>            if (b1 || b2) {<a name="line.562"></a>
<FONT color="green">563</FONT>                return;<a name="line.563"></a>
<FONT color="green">564</FONT>            }<a name="line.564"></a>
<FONT color="green">565</FONT>    <a name="line.565"></a>
<FONT color="green">566</FONT>            // record the plot area...<a name="line.566"></a>
<FONT color="green">567</FONT>            if (info != null) {<a name="line.567"></a>
<FONT color="green">568</FONT>                info.setPlotArea(area);<a name="line.568"></a>
<FONT color="green">569</FONT>            }<a name="line.569"></a>
<FONT color="green">570</FONT>    <a name="line.570"></a>
<FONT color="green">571</FONT>            // adjust the drawing area for plot insets (if any)...<a name="line.571"></a>
<FONT color="green">572</FONT>            RectangleInsets insets = getInsets();<a name="line.572"></a>
<FONT color="green">573</FONT>            insets.trim(area);<a name="line.573"></a>
<FONT color="green">574</FONT>    <a name="line.574"></a>
<FONT color="green">575</FONT>            AxisSpace space = new AxisSpace();<a name="line.575"></a>
<FONT color="green">576</FONT>            <a name="line.576"></a>
<FONT color="green">577</FONT>            space = this.domainAxis.reserveSpace(<a name="line.577"></a>
<FONT color="green">578</FONT>                g2, this, area, RectangleEdge.BOTTOM, space<a name="line.578"></a>
<FONT color="green">579</FONT>            );<a name="line.579"></a>
<FONT color="green">580</FONT>            space = this.rangeAxis.reserveSpace(<a name="line.580"></a>
<FONT color="green">581</FONT>                g2, this, area, RectangleEdge.LEFT, space<a name="line.581"></a>
<FONT color="green">582</FONT>            );<a name="line.582"></a>
<FONT color="green">583</FONT>    <a name="line.583"></a>
<FONT color="green">584</FONT>            Rectangle2D estimatedDataArea = space.shrink(area, null);<a name="line.584"></a>
<FONT color="green">585</FONT>            <a name="line.585"></a>
<FONT color="green">586</FONT>            AxisSpace space2 = new AxisSpace();<a name="line.586"></a>
<FONT color="green">587</FONT>            space2 = this.colorBar.reserveSpace(<a name="line.587"></a>
<FONT color="green">588</FONT>                g2, this, area, estimatedDataArea, this.colorBarLocation, <a name="line.588"></a>
<FONT color="green">589</FONT>                space2<a name="line.589"></a>